55257183 has 6 divisors (see below), whose sum is σ = 79815944. Its totient is φ = 36838116.

The previous prime is 55257179. The next prime is 55257227. The reversal of 55257183 is 38175255.

55257183 is a `hidden beast` number, since 5 + 5 + 2 + 571 + 83 = 666.

It is not a de Polignac number, because 55257183 - 2² = 55257179 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55257133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3069835 + ... + 3069852.

Almost surely, 2^55257183 is an apocalyptic number.

55257183 is a deficient number, since it is larger than the sum of its proper divisors (24558761).

55257183 is a wasteful number, since it uses less digits than its factorization.

55257183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139693 (or 6139690 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 55257183 is about 7433.5175388237. The cubic root of 55257183 is about 380.8870849802.

The spelling of 55257183 in words is "fifty-five million, two hundred fifty-seven thousand, one hundred eighty-three".